Home / 57,036.90-78,710.46-32,842.62

Finding the Fourth Proportional to 57,036.90, 78,710.46 and 32,842.62

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Solution

The fourth proportional to 57,036.90, 78,710.46 and 32,842.62 is: 45,322.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,036.90 : 78,710.46 = 32,842.62 : x
  2. Step 2: Convert to fraction form
    57,036.90/78,710.46 = 32,842.62/x
  3. Step 3: Cross multiply
    57,036.90x = 78,710.46 × 32,842.62
  4. Step 4: Simplify right side
    57,036.90x = 2,585,057,727.81
  5. Step 5: Solve for x
    x = 2,585,057,727.81/57,036.90
  6. Step 6: Final answer
    x = 45,322.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.